deps: cherry-pick d2e0166 from V8 upstream

Original commit message: ppc64, aix: Pass CallFrequency object by const reference to avoid value copy error. Bug: v8:8193 GCC bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61976 Change-Id: I0d4efca4da03ef82651325e15ddf2160022bc8de Reviewed-on: https://chromium-review.googlesource.com/1228633 Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Daniel Clifford <danno@chromium.org> Reviewed-by: Junliang Yan <jyan@ca.ibm.com> Commit-Queue: Junliang Yan <jyan@ca.ibm.com> Cr-Commit-Position: refs/heads/master@{#56275}
nodejs · V-for-Vasili · Oct 15, 2018 · Oct 15, 2018 · Oct 15, 2018 · Oct 15, 2018
commit 657108415de258a273191571fd65e533ef3ac3da
diff --git a/common.gypi b/common.gypi
@@ -33,7 +33,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.41',
+    'v8_embedder_string': '-node.42',
 
     # Enable disassembler for `--print-code` v8 options
     'v8_enable_disassembler': 1,

diff --git a/deps/v8/src/compiler/bytecode-graph-builder.cc b/deps/v8/src/compiler/bytecode-graph-builder.cc
@@ -514,7 +514,7 @@ Node* BytecodeGraphBuilder::Environment::Checkpoint(
 BytecodeGraphBuilder::BytecodeGraphBuilder(
     Zone* local_zone, Handle<SharedFunctionInfo> shared_info,
     Handle<FeedbackVector> feedback_vector, BailoutId osr_offset,
-    JSGraph* jsgraph, CallFrequency invocation_frequency,
+    JSGraph* jsgraph, CallFrequency& invocation_frequency,
     SourcePositionTable* source_positions, Handle<Context> native_context,
     int inlining_id, JSTypeHintLowering::Flags flags, bool stack_check,
     bool analyze_environment_liveness)

diff --git a/deps/v8/src/compiler/bytecode-graph-builder.h b/deps/v8/src/compiler/bytecode-graph-builder.h
@@ -31,7 +31,7 @@ class BytecodeGraphBuilder {
   BytecodeGraphBuilder(
       Zone* local_zone, Handle<SharedFunctionInfo> shared,
       Handle<FeedbackVector> feedback_vector, BailoutId osr_offset,
-      JSGraph* jsgraph, CallFrequency invocation_frequency,
+      JSGraph* jsgraph, CallFrequency& invocation_frequency,
       SourcePositionTable* source_positions, Handle<Context> native_context,
       int inlining_id = SourcePosition::kNotInlined,
       JSTypeHintLowering::Flags flags = JSTypeHintLowering::kNoFlags,

diff --git a/deps/v8/src/compiler/js-inlining.cc b/deps/v8/src/compiler/js-inlining.cc
@@ -484,9 +484,10 @@ Reduction JSInliner::ReduceJSCall(Node* node) {
     if (info_->is_bailout_on_uninitialized()) {
       flags |= JSTypeHintLowering::kBailoutOnUninitialized;
     }
+    CallFrequency frequency = call.frequency();
     BytecodeGraphBuilder graph_builder(
         zone(), shared_info, feedback_vector, BailoutId::None(), jsgraph(),
-        call.frequency(), source_positions_, native_context(), inlining_id,
+        frequency, source_positions_, native_context(), inlining_id,
         flags, false, info_->is_analyze_environment_liveness());
     graph_builder.CreateGraph();
 

diff --git a/deps/v8/src/compiler/js-operator.cc b/deps/v8/src/compiler/js-operator.cc
@@ -794,7 +794,8 @@ const Operator* JSOperatorBuilder::CallForwardVarargs(size_t arity,
       parameters);                                               // parameter
 }
 
-const Operator* JSOperatorBuilder::Call(size_t arity, CallFrequency frequency,
+const Operator* JSOperatorBuilder::Call(size_t arity,
+                                        CallFrequency const& frequency,
                                         VectorSlotPair const& feedback,
                                         ConvertReceiverMode convert_mode,
                                         SpeculationMode speculation_mode) {
@@ -818,8 +819,8 @@ const Operator* JSOperatorBuilder::CallWithArrayLike(CallFrequency frequency) {
 }
 
 const Operator* JSOperatorBuilder::CallWithSpread(
-    uint32_t arity, CallFrequency frequency, VectorSlotPair const& feedback,
-    SpeculationMode speculation_mode) {
+    uint32_t arity, CallFrequency const& frequency,
+    VectorSlotPair const& feedback, SpeculationMode speculation_mode) {
   DCHECK_IMPLIES(speculation_mode == SpeculationMode::kAllowSpeculation,
                  feedback.IsValid());
   CallParameters parameters(arity, frequency, feedback,

diff --git a/deps/v8/src/compiler/js-operator.h b/deps/v8/src/compiler/js-operator.h
@@ -160,7 +160,7 @@ CallForwardVarargsParameters const& CallForwardVarargsParametersOf(
 // used as a parameter by JSCall and JSCallWithSpread operators.
 class CallParameters final {
  public:
-  CallParameters(size_t arity, CallFrequency frequency,
+  CallParameters(size_t arity, CallFrequency const& frequency,
                  VectorSlotPair const& feedback,
                  ConvertReceiverMode convert_mode,
                  SpeculationMode speculation_mode)
@@ -171,7 +171,7 @@ class CallParameters final {
         feedback_(feedback) {}
 
   size_t arity() const { return ArityField::decode(bit_field_); }
-  CallFrequency frequency() const { return frequency_; }
+  CallFrequency const& frequency() const { return frequency_; }
   ConvertReceiverMode convert_mode() const {
     return ConvertReceiverModeField::decode(bit_field_);
   }
@@ -721,13 +721,13 @@ class V8_EXPORT_PRIVATE JSOperatorBuilder final
 
   const Operator* CallForwardVarargs(size_t arity, uint32_t start_index);
   const Operator* Call(
-      size_t arity, CallFrequency frequency = CallFrequency(),
+      size_t arity, CallFrequency const& frequency = CallFrequency(),
       VectorSlotPair const& feedback = VectorSlotPair(),
       ConvertReceiverMode convert_mode = ConvertReceiverMode::kAny,
       SpeculationMode speculation_mode = SpeculationMode::kDisallowSpeculation);
   const Operator* CallWithArrayLike(CallFrequency frequency);
   const Operator* CallWithSpread(
-      uint32_t arity, CallFrequency frequency = CallFrequency(),
+      uint32_t arity, CallFrequency const& frequency = CallFrequency(),
       VectorSlotPair const& feedback = VectorSlotPair(),
       SpeculationMode speculation_mode = SpeculationMode::kDisallowSpeculation);
   const Operator* CallRuntime(Runtime::FunctionId id);

diff --git a/deps/v8/src/compiler/pipeline.cc b/deps/v8/src/compiler/pipeline.cc
@@ -1059,10 +1059,11 @@ struct GraphBuilderPhase {
     if (data->info()->is_bailout_on_uninitialized()) {
       flags |= JSTypeHintLowering::kBailoutOnUninitialized;
     }
+    CallFrequency frequency = CallFrequency(1.0f);
     BytecodeGraphBuilder graph_builder(
         temp_zone, data->info()->shared_info(),
         handle(data->info()->closure()->feedback_vector()),
-        data->info()->osr_offset(), data->jsgraph(), CallFrequency(1.0f),
+        data->info()->osr_offset(), data->jsgraph(), frequency,
         data->source_positions(), data->native_context(),
         SourcePosition::kNotInlined, flags, true,
         data->info()->is_analyze_environment_liveness());